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Valsartan is an angiotensin II receptor antagonist. Valsartan keeps blood vessels from narrowing, which lowers blood pressure and improves blood flow. It is used to treat high blood pressure (hypertension) in adults and children who are at least 6 years old. Valsartan is also used in adults to treat heart failure, and to lower the risk of death after a heart attack. It is sometimes given together with other blood pressure medications.
If you have diabetes, do not use valsartan together with any medication that contains aliskiren (Amturnide, Tekturna, Tekamlo, Valturna). Before taking this medicine. Do not use valsartan if you are allergic to it. You may take valsartan with or without food. Take the medicine at the same time each day. If a child taking valsartan cannot swallow a capsule whole, your pharmacist can mix the medicine into a liquid. Shake this liquid well just before you measure a dose.
Measure the liquid with a special dose-measuring spoon or medicine cup, not with a regular table spoon. You may have very low blood pressure while taking valsartan. Call your doctor if you are sick with vomiting or diarrhea, or if you are sweating more than usual. Drinking alcohol can further lower your blood pressure and may increase certain side effects of valsartan. Do not use potassium supplements or salt substitutes while you are taking valsartan, unless your doctor has told you to.
Avoid getting up too fast from a sitting or lying position, or you may feel dizzy. Get up slowly and steady yourself to prevent a fall. Get emergency medical help if you have signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. In rare cases, valsartan can cause a condition that results in the breakdown of skeletal muscle tissue, leading to kidney failure. Call your doctor right away if you have unexplained muscle pain, tenderness, or weakness especially if you also have fever, unusual tiredness, and dark colored urine.
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